Ahoy Sailor Flask- 8oz Stand out from the Crowd with this Uniquely Designed Image Wrapped Completely Around an 8 oz Stainless Flask Flask is Made with 201 Stainless Steel and Joints are Laser Welded. Each Flask is Individually Leak Tested Using a Pressurized Air and Water System So They Do Not Leak 100% Waterproof; Not Dishwasher Safe Great to Give as a Gift or to Keep Yourself